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When finding item gated behind a cfg flag, point at it #127662

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merged 1 commit into from
Jul 19, 2024

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Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.

error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
  --> $DIR/diagnostics-cross-crate.rs:18:23
   |
LL |     cfged_out::inner::doesnt_exist::hello();
   |                       ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
   |
note: found an item that was configured out
  --> $DIR/auxiliary/cfged_out.rs:6:13
   |
LL |     pub mod doesnt_exist {
   |             ^^^^^^^^^^^^
note: the item is gated here
  --> $DIR/auxiliary/cfged_out.rs:5:5
   |
LL |     #[cfg(FALSE)]
   |     ^^^^^^^^^^^^^

Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.

```
error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
  --> $DIR/diagnostics-cross-crate.rs:18:23
   |
LL |     cfged_out::inner::doesnt_exist::hello();
   |                       ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
   |
note: found an item that was configured out
  --> $DIR/auxiliary/cfged_out.rs:6:13
   |
LL |     pub mod doesnt_exist {
   |             ^^^^^^^^^^^^
note: the item is gated here
  --> $DIR/auxiliary/cfged_out.rs:5:5
   |
LL |     #[cfg(FALSE)]
   |     ^^^^^^^^^^^^^
```
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rustbot commented Jul 12, 2024

r? @TaKO8Ki

rustbot has assigned @TaKO8Ki.
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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jul 12, 2024
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TaKO8Ki commented Jul 18, 2024

@bors r+ rollup

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bors commented Jul 18, 2024

📌 Commit cf09cba has been approved by TaKO8Ki

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 18, 2024
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jul 19, 2024
When finding item gated behind a `cfg` flag, point at it

Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.

```
error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
  --> $DIR/diagnostics-cross-crate.rs:18:23
   |
LL |     cfged_out::inner::doesnt_exist::hello();
   |                       ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
   |
note: found an item that was configured out
  --> $DIR/auxiliary/cfged_out.rs:6:13
   |
LL |     pub mod doesnt_exist {
   |             ^^^^^^^^^^^^
note: the item is gated here
  --> $DIR/auxiliary/cfged_out.rs:5:5
   |
LL |     #[cfg(FALSE)]
   |     ^^^^^^^^^^^^^
```
tgross35 added a commit to tgross35/rust that referenced this pull request Jul 19, 2024
When finding item gated behind a `cfg` flag, point at it

Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.

```
error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
  --> $DIR/diagnostics-cross-crate.rs:18:23
   |
LL |     cfged_out::inner::doesnt_exist::hello();
   |                       ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
   |
note: found an item that was configured out
  --> $DIR/auxiliary/cfged_out.rs:6:13
   |
LL |     pub mod doesnt_exist {
   |             ^^^^^^^^^^^^
note: the item is gated here
  --> $DIR/auxiliary/cfged_out.rs:5:5
   |
LL |     #[cfg(FALSE)]
   |     ^^^^^^^^^^^^^
```
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 19, 2024
Rollup of 7 pull requests

Successful merges:

 - rust-lang#123196 (Add Process support for UEFI)
 - rust-lang#127350 (Parser: Suggest Placing the Return Type After Function Parameters)
 - rust-lang#127523 (Migrate `dump-ice-to-disk` and `panic-abort-eh_frame` `run-make` tests to rmake)
 - rust-lang#127662 (When finding item gated behind a `cfg` flag, point at it)
 - rust-lang#127903 (`force_collect` improvements)
 - rust-lang#127932 (rustdoc: fix `current` class on sidebar modnav)
 - rust-lang#127943 (Don't allow unsafe statics outside of extern blocks)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jul 19, 2024
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#127350 (Parser: Suggest Placing the Return Type After Function Parameters)
 - rust-lang#127621 (Rewrite and rename `issue-22131` and `issue-26006` `run-make` tests to rmake)
 - rust-lang#127662 (When finding item gated behind a `cfg` flag, point at it)
 - rust-lang#127903 (`force_collect` improvements)
 - rust-lang#127932 (rustdoc: fix `current` class on sidebar modnav)
 - rust-lang#127943 (Don't allow unsafe statics outside of extern blocks)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 98fdfcb into rust-lang:master Jul 19, 2024
6 checks passed
@rustbot rustbot added this to the 1.81.0 milestone Jul 19, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jul 19, 2024
Rollup merge of rust-lang#127662 - estebank:gate-span, r=TaKO8Ki

When finding item gated behind a `cfg` flag, point at it

Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.

```
error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
  --> $DIR/diagnostics-cross-crate.rs:18:23
   |
LL |     cfged_out::inner::doesnt_exist::hello();
   |                       ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
   |
note: found an item that was configured out
  --> $DIR/auxiliary/cfged_out.rs:6:13
   |
LL |     pub mod doesnt_exist {
   |             ^^^^^^^^^^^^
note: the item is gated here
  --> $DIR/auxiliary/cfged_out.rs:5:5
   |
LL |     #[cfg(FALSE)]
   |     ^^^^^^^^^^^^^
```
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4 participants